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<html lang="zh-cn">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>表格演示</title>
</head>
<body> 
    <p>表格是用来显示二维数据的重要标签</p>
    <hr>
    <p>构建2行3列的表格</p>
    <!-- border之类的属性是不推荐使用 -->
    
   <table border="1">
       <tr>
           <td>单元格</td>
           <td>单元格</td>
           <td>单元格</td>
       </tr>
       <tr>
           <td>单元格</td>
           <td>单元格</td>
           <td>单元格</td>
       </tr>
   </table>
    <hr>
    <p>构建含caption/thead/tbody/tfoot</p>
    <table border="1">
        <caption>学生信息表</caption>
    <thead>
        <tr>
            <td>学号</td>
            <td>姓名</td>
            <td>总分</td>
            <td>排名</td>
        </tr>
    </thead>
    <tbody>
        <tr>
            <td>20190206003</td>
            <td>王润川</td>
            <td>620</td>
            <td>2</td>
        </tr>
        <tr>
            <td>20190206004</td>
            <td>季川</td>
            <td>630</td>
            <td>1</td>
        </tr>
        <tr>
            <td>20190206005</td>
            <td>李四</td>
            <td>610</td>
            <td>3</td>
        </tr>
    </tbody>
    <tfoot>
        <tr>
            <td>统计：</td>
            <td>空白</td>
            <td>空白</td>
            <td>空白</td>
        </tr>
    </tfoot>
    </table>
    <hr><hr>
    <p>构建含caption/thead/tbody/tfoot的表格，th标签显示单元格为表头</p>
    <table border="1">
        <caption>学生信息表</caption>
    <thead>
        <tr>
            <th>&nbsp;</th>
            <th>学号</th>
            <th>姓名</th>
            <th>总分</th>
            <th>排名</th>
        </tr>
    </thead>
    <tbody>
        <tr>
            <th>1</th>
            <td>20190206003</td>
            <td>王润川</td>
            <td>620</td>
            <td>2</td>
        </tr>
        <tr>
            <th>2</th>
            <td>20190206004</td>
            <td>季川</td>
            <td>630</td>
            <td>1</td>
        </tr>
        <tr>
            <th>3</th>
            <td>20190206005</td>
            <td>李四</td>
            <td>610</td>
            <td>3</td>
        </tr>
    </tbody>
    <tfoot>
        <tr>
            <!-- <td>统计：</td>
            <td>空白</td>
            <td>空白</td> -->
            <td colspan="5">统计：</td>
        </tr>
    </tfoot>
    </table>
    <p>表格列分组</p>
   <table border="1">
    <colgroup>
        <col span="2">
        <col span="3">
    </colgroup>
       <tr>
           <td>分组1</td>
           <td>分组1</td>
           <td>分组2</td>
           <td>分组2</td>
           <td>分组2</td>
       </tr>
       <tr>
        <td>分组1</td>
        <td>分组1</td>
        <td>分组2</td>
        <td>分组2</td>
        <td>分组2</td>
    </tr> 
    <tr>
        <td>分组1</td>
        <td>分组1</td>
        <td>分组2</td>
        <td>分组2</td>
        <td>分组2</td>
    </tr>
   </table>
    <br><br><br><br><br>
</body>
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